/*
 * Copyright 2006-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package asphalt2
{
	import mx.core.IMXMLObject;
	/**
	 * ユーザーデータを保持するセッション
	 * @Author c9katayama
	 */
	public class Session implements IMXMLObject
	{
		//複数swfから使用する場合、クラスローダーが異なると値が取れなくなるのでこの実装ではだめ
		private static var _session:Session;
		private var _attributeMap:Object = new Object();
		
		public function initialized(document:Object, id:String):void{
			
		}
		public static function getSession():Session{
			return session;
		}
		public static function get session():Session{
			if(_session == null){
				_session = new Session();				 
			}
			return _session;		
			/*				
			var rootApp:Application = Application.application as Application;
			var parent:DisplayObject = rootApp.parent as DisplayObject;
			while(true){
				var p = parent.parent;
				trace(p);
				if(p == null)
					break;
				else 
					parent = p;
				if(p instanceof Application)
					rootApp = p as Application;
			}
			if(rootApp == null){
				throw new Error("root app not found.");
			}
			var ses:Session = null;
			var child:Array = rootApp.getChildren();
			for(var i:int = 0;i < child.length;i++){
				var obj:Object = child[i];
				if(obj instanceof Session){
					ses = new Session();
					ses.setAttributeMap(obj.getAttributeMap());
					break;
				}
			}
			if(ses == null){
				ses = new Session();
				//大本に引っ掛ける
				rootApp.addChild(ses);
			}
			return ses;
			*/
		}
		public function clearSession():void{
			_attributeMap = new Object();
		}
		private function setAttributeMap(o:Object):void{
			this._attributeMap = o;
		}
		public function getAttributeMap():Object{
			return _attributeMap;
		}
		public function setAttribute(key:Object,value:Object):void{
			_attributeMap[key] = value;
		}			
		public function getAttribute(key:Object,clazz:Class=null):Object{
			var o:Object = _attributeMap[key];
			if(o != null){
				/*
				if(clazz != null && o instanceof clazz){
					return o;
				}
				var sel:XMLBeanSerializer = new XMLBeanSerializer();
				var xml:XMLDocument = sel.serialize(o);
				var des:XMLBeanDeserializer = new XMLBeanDeserializer();
				var newo = des.deserialize(xml);				
				return newo;
				*/
				return o;
			}else{
				return null;
			}
		}
	}
}